The Metropolis ultra-slim tracker card gives peace of mind and enhanced security for your valuables. Packs serious tech into a durable, IPX4 water-resistant polycarbonate shell. One wireless Qi or MagSafe charge powers it for up to 5 months, with up to 300 recharge cycles. When your wallet goes missing, a built-in ringer makes sure it doesn&&';;t stay lost. Step too far away? Proximity alerts notify you instantly before it&&';;s gone for good. And with Apple Find My(TM), you can track it anywhere, play a sound, or activate Lost Mode. Premium, Slim Design: Durable polycarbonate (PC) housing with IPX4 water resistance. Ultra-thin profile measuring 85.8 x; 53.6 x; 3.0 mm. Wireless Charging: Recharge effortlessly on any Qi or MagSafe charger, with a lifespan of up to 300 recharge cycles. Long-Lasting Battery: 110mAh battery delivers up to 5-6 months of use on a full charge. Powerful Locator Ringer: 95dB speaker helps you find your wallet fast, with a range of up to 65 ft (20 m) while connected via Bluetooth. Proximity Notifications: Receive instant notifications when your wallet moves out of range, using Apple Find My(TM) behavior similar to AirTag push notifications. Universal Compatibility: Works with iOS and Android devices and supports Apple Find My(TM) for real-time tracking, sound alerts, and Lost Mode. MFi Certified: Meets Apple&&';;s strict safety and performance standards for seamless, reliable integration.